JC
John Cunningham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Cunningham across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Edward — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Lawrence |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Route man |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 17 |
| Income (1939) | 990 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Route Man |
| Township / Ward | Lawrence |
| Est. Birth Year | ~1910 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Agnes Cunningham | Daughter | — | 13 | ~1927 |
| William Cunningham | Head | — | 55 | ~1885 |
| John Cunningham | Son | — | 30 | ~1910 |
| Agnes Cunningham | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Essex, Massachusetts
Son, age 10
Essex, Massachusetts · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | scotland |
1930
Essex, Massachusetts
Son, age 20
Essex, Massachusetts · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Repairer |
| Industry | Furniture Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Essex-County, Massachusetts
Son, age 30
Essex-County, Massachusetts · implied b. ~1910 — 4 household members
| Surname | Cunningham |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Lawrence |
| 1935 Residence (County) | Essex |
| Naturalization Status | Naturalized |
| Occupation | Route man |
| Industry | Laundry |
| Class of Worker | PW |
| Hours Worked | 17 |
| Income (1939) | 990 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Cunningham across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Cunningham (~0.92 confidence) and father Edward Cunningham (~0.92 confidence) and mother Agnes Cunningham (~0.92 confidence) and mother Agnes Cunningham (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Cunningham
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Edward Cunningham
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Agnes Cunningham
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Agnes Cunningham
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Cunningham
Son · 1940 · age 30 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Agnes Cunningham
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01582-00643)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bernard Mccabe | 68 | Head | Fireman | Eire |
| 42 | Rose Mccabe | 69 | Wife | — | Eire |
| 43 | John Mccabe | 33 | Son | Short Order Cook | Massachusetts |
| 44 | Catherine Mccabe | 27 | Daughter | Nurse | Massachusetts |
| 45 | Raymond Mccabe | 25 | Son | Operative | Massachusetts |
| 46 | Eileen E. Dunn | 54 | Head | — | Massachusetts |
| 47 | Dorothy A. Dunn | 24 | Daughter | Recreation Leader | Massachusetts |
| 48 | Muriel E. Dunn | 23 | Daughter | Clerk | Massachusetts |
| 49 | Clayton M. Dunn | 20 | Son | Floor Wheel | Massachusetts |
| 50 | Harry Platt | 58 | Head | Food Shop | England |
| 51 | Agnes Platt | 56 | Wife | — | Scotland |
| 52 | Donald J. Henry | 27 | Head | Truck Driver | Massachusetts |
| 53 | Vera M. Henry | 33 | Wife | — | Massachusetts |
| 54 | Gail L. Henry | 1 | Daughter | — | Massachusetts |
| 55 | Michael J. Sheridan | 57 | Head | Overseer | Pennsylvania |
| 56 | Margaret T. Sheridan | 54 | Wife | — | Massachusetts |
| 57 | Catherine S. Sheridan | 25 | Daughter | Operator | Massachusetts |
| 58 | Joseph A. Sheridan | 23 | Son | Weaver | Massachusetts |
| 59 | William Cunningham | 55 | Head | Laborer | Scotland |
| 60 | Agnes Cunningham | 55 | Wife | — | Scotland |
| 61 | John Cunningham THIS PERSON | 30 | Son | Route Man | Scotland |
| 62 | Agnes Cunningham | 13 | Daughter | — | Massachusetts |
| 63 | Oscar Dietrich | 44 | Head | Salesman | Massachusetts |
| 64 | Alice Dietrich | 39 | Wife | — | Massachusetts |
| 65 | Conner Dietrich | 16 | Son | — | Massachusetts |
| 66 | Edward Dietrich | 9 | Son | — | Massachusetts |
| 67 | Manuel Vieira | 35 | Head | Section Hand | Portugal |
| 68 | Zulmari Vieira | 33 | Wife | Warper | Massachusetts |
| 69 | Ernest Vieira | 13 | Son | — | Massachusetts |
| 70 | Joseph Vieira | 12 | Son | — | Massachusetts |
| 71 | Lumina Vieira | 9 | Daughter | — | Massachusetts |
| 72 | John J. Tierney | 36 | Head | Salesman | Massachusetts |
| 73 | Anna R. Tierney | 30 | Wife | — | Massachusetts |
| 74 | Joanne C. Tierney | 3 | Daughter | — | Massachusetts |
| 75 | Jane M. Tierney | 2 | Daughter | — | Massachusetts |
| 76 | Thomas J. Tierney | 65 | Father | — | Eire |
| 77 | Margaret Laguas | 44 | Head | Book Repairer | Massachusetts |
| 78 | Marjorie Laguas | 12 | Daughter | — | Massachusetts |
| 79 | John Mension | 44 | Head | Timekeeper | Massachusetts |
| 80 | Elizabeth Mension | 44 | Wife | — | Massachusetts |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)